Question 38696
From  1 1/15 + 3 3/10 - 2 4/5
we change each fraction into 30ths...the lowest common denominator...so we get
1 2/30 + 3 9/30 - 2 24/30 =
4 11/30 - 2 24/30 =
now borrowing...
3 41/30 - 2 24/30 =
1 17/30